This starts off as a talk about startup methodology but somehow manages to morph into a sales pitch for an intriguing new solar technology. If you’re able to keep up with Bill Gross’s sometimes ferocious pace of delivery, stick with it, it’s well worth the ride

An epic transatlantic on-air wrangle over Google’s future. Veteran BBC innovation investigator Peter Day vs. US prediction guru Mark Anderson. They each put up a characteristically robust performance. But who won? Whatever, it was riveting radio.